IBM 1400 (2611) Related Service Procedures, Flash Memory Update, Status Indicators

Related Service Procedures
This section provides information about the following:
“Flash Memory Update”
“Status Indicators”
“Power Switch” on page 135
“Diagnostic Program Diskette” on page 135
“Maintenance Program Diskette” on page 136
“Fn Key Combinations” on page 138
Flash Memory Update
The BIOS Utility and BIOS programs are stored in flash
memory. A flash memory update is required for the fol-
lowing conditions:
New versions of system programs
New features or options are added.
To update the flash memory, do the following:
1. Get the appropriate diskette containing the update.
2. Insert the System Program Service Diskette into
diskette drive A: and power on the computer.
3. Select Update system programs from the menu.
Status Indicators
The system status LED indicators show the current com-
puter status. The following shows the location of each indi-
cator symbol and the meaning of each indicator.
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